CN108632737B - 用于音频信号解码和呈现的方法和装置 - Google Patents

用于音频信号解码和呈现的方法和装置 Download PDF

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CN108632737B
CN108632737B CN201810453100.8A CN201810453100A CN108632737B CN 108632737 B CN108632737 B CN 108632737B CN 201810453100 A CN201810453100 A CN 201810453100A CN 108632737 B CN108632737 B CN 108632737B
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decoding
matrix
virtual
speaker
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CN108632737A (zh
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F.基勒
J.贝姆
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Dolby International AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
CN201810453100.8A 2013-10-23 2014-10-20 用于音频信号解码和呈现的方法和装置 Active CN108632737B (zh)

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EP13290255.2 2013-10-23
EP20130290255 EP2866475A1 (en) 2013-10-23 2013-10-23 Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
CN201480056122.0A CN105637902B (zh) 2013-10-23 2014-10-20 使用2d设置对高保真度立体声响复制音频声场表示进行解码以便音频回放的方法和装置

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CN201810453094.6A Active CN108777836B (zh) 2013-10-23 2014-10-20 用于音频信号解码的解码矩阵的确定方法和装置
CN201810453121.XA Active CN108337624B (zh) 2013-10-23 2014-10-20 用于音频信号呈现的方法和装置
CN201810453100.8A Active CN108632737B (zh) 2013-10-23 2014-10-20 用于音频信号解码和呈现的方法和装置
CN201480056122.0A Active CN105637902B (zh) 2013-10-23 2014-10-20 使用2d设置对高保真度立体声响复制音频声场表示进行解码以便音频回放的方法和装置
CN201810453098.4A Active CN108632736B (zh) 2013-10-23 2014-10-20 用于音频信号呈现的方法和装置
CN201810453106.5A Active CN108777837B (zh) 2013-10-23 2014-10-20 用于音频信号解码的方法和装置

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CN201810453098.4A Active CN108632736B (zh) 2013-10-23 2014-10-20 用于音频信号呈现的方法和装置
CN201810453106.5A Active CN108777837B (zh) 2013-10-23 2014-10-20 用于音频信号解码的方法和装置

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US (9) US9813834B2 (enrdf_load_stackoverflow)
EP (5) EP2866475A1 (enrdf_load_stackoverflow)
JP (6) JP6463749B2 (enrdf_load_stackoverflow)
KR (4) KR102235398B1 (enrdf_load_stackoverflow)
CN (6) CN108777836B (enrdf_load_stackoverflow)
AU (7) AU2014339080B2 (enrdf_load_stackoverflow)
BR (2) BR112016009209B1 (enrdf_load_stackoverflow)
CA (5) CA3168427A1 (enrdf_load_stackoverflow)
ES (1) ES2637922T3 (enrdf_load_stackoverflow)
MX (5) MX395579B (enrdf_load_stackoverflow)
MY (2) MY191340A (enrdf_load_stackoverflow)
RU (2) RU2766560C2 (enrdf_load_stackoverflow)
TW (5) TWI651973B (enrdf_load_stackoverflow)
WO (1) WO2015059081A1 (enrdf_load_stackoverflow)
ZA (6) ZA201801738B (enrdf_load_stackoverflow)

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US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9479886B2 (en) 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
US9736609B2 (en) 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
EP2866475A1 (en) 2013-10-23 2015-04-29 Thomson Licensing Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
US10341802B2 (en) * 2015-11-13 2019-07-02 Dolby Laboratories Licensing Corporation Method and apparatus for generating from a multi-channel 2D audio input signal a 3D sound representation signal
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US10405126B2 (en) 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
MY204183A (en) 2017-07-14 2024-08-14 Fraunhofer Ges Zur Frderung Der Angewandten Forschung E V Concept for generating an enhanced sound field description or a modified sound field description using a multi-point sound field description
CN111183479B (zh) * 2017-07-14 2023-11-17 弗劳恩霍夫应用研究促进协会 使用多层描述生成经增强的声场描述的装置及方法
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JP7589883B2 (ja) * 2020-11-30 2024-11-26 華為技術有限公司 オーディオ符号化及び復号方法並びに装置
CN114582356B (zh) * 2020-11-30 2025-06-06 华为技术有限公司 一种音频编解码方法和装置
US11743670B2 (en) 2020-12-18 2023-08-29 Qualcomm Incorporated Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications
CN118800248A (zh) * 2023-04-13 2024-10-18 华为技术有限公司 场景音频解码方法及电子设备

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TW202022853A (zh) 2020-06-16
AU2022291445A1 (en) 2023-02-02
CN108777837B (zh) 2021-08-24
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US10158959B2 (en) 2018-12-18
AU2022291443B2 (en) 2024-11-28
CA3221605A1 (en) 2015-04-30
MX2018012489A (es) 2020-11-06
MX2022011448A (es) 2023-03-14
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HK1221105A1 (zh) 2017-05-19
US20190349699A1 (en) 2019-11-14
US20200382889A1 (en) 2020-12-03
BR112016009209A2 (enrdf_load_stackoverflow) 2017-08-01
US20240056755A1 (en) 2024-02-15
RU2679230C2 (ru) 2019-02-06
US10694308B2 (en) 2020-06-23
TWI686794B (zh) 2020-03-01
CN108337624B (zh) 2021-08-24
EP3061270A1 (en) 2016-08-31
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US10986455B2 (en) 2021-04-20
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